Production systems, cloud operations, and AI infrastructure.

We design, build and run software platforms and the infrastructure behind them — for companies in the US and EU. Founded in Warsaw in 2000.

Contact Selected work

Services

What we do

End-to-end engineering for systems that have to stay in production: platforms, cloud operations, and the reliability layer around AI models.

  1. 01

    Systems & platforms

    Architecture, integrations, data layer, APIs and delivery for event platforms, referral networks, marketplaces and internal tools.

  2. 02

    Cloud & operations

    AWS, Linux and databases under real traffic: EC2, RDS, load balancing, caching, S3 and CloudFront; performance tuning, high availability, monitoring, backups and incident response.

  3. 03

    AI infrastructure

    Multi-agent orchestration, deterministic validation, provider routing, cost control and audit trails. ValGuard.ai is our product in this space.

  4. 04

    Technical direction

    Specifications, failure scenarios, migration plans and code review for engineering teams.

  5. 05

    Application development

    Backends, APIs, dashboards and automation in Python, Go, PHP and modern frontends.

Selected work

Client engagements

Long-term delivery across events, real estate, incentives and enterprise brand programs.

  • EventStream / JCS Media (2012–2026). Backend and AWS for an enterprise event platform used by Delta, FedEx, Global Payments, IHG, Harman, Bristol Myers Squibb and Atlantic Union Bank. Delta programs on fixed broadcast dates — Grammy Awards, Super Bowl, Golf Masters — plus SkyTeam RSVP, Bioderma, Anchorplace hospitality reservations and Harrell's POLYGRAPH calculator. Peak AWS video delivery at roughly 20,000 concurrent viewers for Global Payments.
  • Houses for Sale Network / iHomes (2018–2025). Multi-brand MLS listing and lead referral platform on AWS: millions of listings ingested, hundreds of thousands of leads qualified and routed, mobile agent API, CRM integrations across iHomes, iRentalHomes and related brands.
  • Incentco (2014–2022). Infrastructure preparation and full-platform migration to AWS; Linux, AWS and MySQL operations with the product team — replication, HA, upgrades and zero-downtime migrations.
  • Source4Style (2011–2014). B2B textile marketplace for fashion designers: catalog, supplier onboarding, search and sample workflows; growth to 1,500+ materials across dozens of countries.
  • Earlier work (2000–2013). Financial risk software for a Warsaw brokerage, EU-funded grant systems, telecom billing at 40,000+ users, publishing and messaging platforms.

Product

ValGuard.ai

A management layer for production AI: an OpenAI-compatible proxy that validates every model output with deterministic rules — before users, tools, or the next agent see it.

Teams keep their existing clients, prompts and agent frameworks. Point the API base URL at ValGuard and traffic goes through orchestration, validation, cost controls and an audit trail. Rules are code, not another LLM judging the first one — the same input gets the same verdict every time, with stable rule IDs for operators and auditors.

Roll out in shadow mode on live traffic, tune false positives, then switch to enforce. On failure ValGuard can block, re-ask, warn or escalate. Provider routing and budgets try economical models first and escalate only when validation fails.

  • Validation packs — structure and schema, compliance and PII (HIPAA, PCI, GDPR and regional identifiers), code and SQL safety, RAG grounding and citation checks, workflow handoff gates.
  • Multi-agent playbooks — linear, branch and fan-out graphs with checks at each step; visual builder, simulation before publish, and ready-made templates for support, finance, insurance, KYC, RAG and code review.
  • Operations — per-agent budgets and token caps, request logs, violation taxonomy by rule, PDF/CSV audit export, signed webhooks; available as SaaS or self-hosted.

Visit valguard.ai Benchmarks

160+ Deterministic validators shipped with the product — schema, PII, SQL, RAG grounding and workflow gates, not a blank rule editor
51 Published multi-agent playbooks with validation at each handoff — support, finance, insurance, KYC, code and RAG workflows
≤ 26 µs Time to evaluate a 12-rule pack on one response — no second “judge” model, published benchmark, zero heap allocations on the hot path

About

Neteos

Systems engineering company based in Warsaw, founded in September 2000. We build and operate production platforms for clients in the United States and Europe — software, databases, AWS infrastructure and long-term operations.

  • Over two decades of continuous delivery from architecture through production operations.
  • Long-term US remote engagements across events, real estate, incentives and brand platforms.
  • Product development alongside consulting — ValGuard.ai, with published performance benchmarks.

Contact

Get in touch

For consulting engagements, platform work, or ValGuard — write to us and we will reply within one business day.

Email:
r.bobrowski@neteos.pl

LinkedIn:
robertbobrowski

Location:
Warsaw, Poland · Remote US / EU

Replies within one business day, in English or Polish.